Close to Berlin's city center, a modern office building is being built on Sellerstrasse in the Wedding district next to the historic Scharnhorst substation. PORR Hochbau Region Ost is realizing the construction project as general contractor. With the help of LEAN management, the project goal of turnkey handover is being worked towards in terms of quality, costs and deadlines. An important milestone has now been reached on schedule: the topping-out ceremony was held on October 17, 2023 to mark the completion of the building shell.
With a building footprint of around 4,500 m², the new building is divided into a 4-storey base building and two towers built on top of it with three and seven additional full storeys respectively. On the eastern boundary of the site, it adjoins the gable wall of the transformer station. The first floor will house a lobby, conference areas and a restaurant. The office spaces are characterized by optimal room structures, flexible use and state-of-the-art building technology. Depending on the component, construction progress varies between the finished shell and the metal construction of the windows. The façade is at an advanced stage of construction. The interior work began around three months ago. Despite challenging construction site logistics and many interfaces for the façade work, execution is proceeding according to plan. The topping-out ceremony and the completion of the shell construction work were celebrated together with project participants, PORR and subcontractors in the beautiful fall weather. With the traditional topping-out speech, PORR foreman Renè Kirches wished the new building luck and blessings on behalf of the entire construction site team.
Shell construction completed on time, on budget and to a high standard of quality
For the client, cost certainty and flexibility for the tenants' needs are particularly important requirements. In order to meet these requirements, the project team has been working with LEAN Design & Construction on an equal footing since the planning phase. The reliable and effective coordination of all trades increases planning security, the fine-cyclical control of daily construction tasks achieves time and cost savings and promotes openness and transparency. In this way, time and cost savings are achieved and openness and transparency are promoted in the exchange with the entire construction team and the client.
All services from a single source
PORR is contributing its entire expertise to the project. The subsidiary Stump-Franki Spezialtiefbau in ARGE is responsible for the construction of the excavation pit. Support for LEED Gold certification is provided by sister company pde Integrale Planung. In addition, the WiredScore Gold and WELL Gold certifications are being sought.
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